Change code blocks to output where needed

Author: msLinuxNinja

articles/virtual-machines/linux/add-disk.md

@@ -63,7 +63,7 @@ lsblk -o NAME,HCTL,SIZE,MOUNTPOINT | grep -i "sd"
 
 The output is similar to the following example:
 
-```bash
+```output
 sda     0:0:0:0      30G
 ├─sda1             29.9G /
 ├─sda14               4M
@@ -120,7 +120,7 @@ sudo blkid
 
 The output looks similar to the following example:
 
-```bash
+```output
 /dev/sda1: LABEL="cloudimg-rootfs" UUID="11111111-1b1b-1c1c-1d1d-1e1e1e1e1e1e" TYPE="ext4" PARTUUID="1a1b1c1d-11aa-1234-1a1a1a1a1a1a"
 /dev/sda15: LABEL="UEFI" UUID="BCD7-96A6" TYPE="vfat" PARTUUID="1e1g1cg1h-11aa-1234-1u1u1a1a1u1u"
 /dev/sdb1: UUID="22222222-2b2b-2c2c-2d2d-2e2e2e2e2e2e" TYPE="ext4" TYPE="ext4" PARTUUID="1a2b3c4d-01"
@@ -154,7 +154,7 @@ There are two ways to enable TRIM support in your Linux VM. As usual, consult yo
 
 - Use the `discard` mount option in */etc/fstab*, for example:
 
-    ```bash
+    ```output
     UUID=33333333-3b3b-3c3c-3d3d-3e3e3e3e3e3e   /datadrive   xfs   defaults,discard   1   2
     ```